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AIXpert Blog

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AIXpert Blog is about the AIX operating system from IBM running on POWER based machines called Power Systems and software related to it like IBM Systems Director, PowerVM for virtualisation and PowerSC for security plus performance monitoring and nmon

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It was my birthday on Saturday and by pure luck my Raspberry Pi was delivered the day before - what a great day "hacking" (in the old sense of the word). I have been waiting for a few months for this delivery - What a treat!! If you have not heard of this credit size computer before here is the back ground. The Problem In the UK, school information technology education has been pitifully reduced to Microsoft Word, Excel and Powerpoint. My own kids came home badly depressed as they started the classes as they knew far more than the... [More]

I was with a large UK based insurance company last week. They, and their facilities management team, run many very large machines like POWER6 595 and POWER7 Power 770/780. Most machines are 64 core and 2 TB of memory and running 160+ virtual machines (LPARs) on each. These are large, complex and well run machines - all of the AIX images and VIOS are pretty well up to date with current or N -1 releases. A very pleasant surprise and impressed. They told me that even with 2 TB of memory they tend to run out of memory before CPU cycles . Each... [More]